ibmvnic: account for bufs already saved in indir_buf

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This fixes a crash in replenish_rx_pool() when called from ibmvnic_poll()
after a previous call to replenish_rx_pool() encountered an error when
allocating a socket buffer.

Thanks to Rick Lindsley and Dany Madden for helping debug the crash.

Fixes: 4f0b6812e9 ("ibmvnic: Introduce batched RX buffer descriptor transmission")
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Sukadev Bhattiprolu 2021-06-23 21:13:13 -07:00 • committed by David S. Miller

parent 65d6470d13

commit 72368f8b2b

1 changed files with 8 additions and 1 deletions

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drivers/net/ethernet/ibm/ibmvnic.c

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